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getting_started:tutorials:hal4

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getting_started:tutorials:hal4 [2023/02/27 13:56] – [Publishing] ursgrafgetting_started:tutorials:hal4 [2023/02/27 14:02] (current) – [Subscribing] ursgraf
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   * /test/state       (of type boolean)   * /test/state       (of type boolean)
  
-Use the same tools as in [[getting_started:tutorials:systemros1#using_ros2|Control System Talking to ROS|]] to show nodes, topics and messages. The output on ''/test/state'' reflects what is input on ''/rosNodeTalker/state''. As long as this topic is not written to, the published state will not change, see below.+Use the same tools as in [[getting_started:tutorials:systemros1#using_ros2|Control System Talking to ROS]] to show nodes, topics and messages. The output on ''/test/state'' reflects what is input on ''/rosNodeTalker/state''. As long as this topic is not written to, the published state will not change, see below.
  
 ==== Subscribing ==== ==== Subscribing ====
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 and logs its transported message values into the console. Use and logs its transported message values into the console. Use
 <code> <code>
-$ rqt_graph+$ rqt
 </code> </code>
-to show a graph with all involved nodes together with their topics.+to show a graph with all involved nodes together with their topics or to plot messages.
  
  
getting_started/tutorials/hal4.1677502580.txt.gz · Last modified: 2023/02/27 13:56 by ursgraf